pH精密试纸,可用测试人的体液,如唾液等. 测试范围与精度: pH 4.5-9.0 (4.5, 5.0, 5.5, 5.75, 6.0, 6.25, 6.5, 6.75, 7.0, 7.25, 7.5, 8.0, 8.5, 9.0 )
pH精密试纸,可用测试人的体液,如唾液等.
测试范围与精度: pH 4.5-9.0 (4.5, 5.0, 5.5, 5.75, 6.0, 6.25, 6.5, 6.75, 7.0, 7.25, 7.5, 8.0, 8.5, 9.0 )